Sentences with phrase «of polar bear numbers»

The total failure of polar bear numbers to crash as predicted in response to the abrupt decline in summer sea ice in 2007 and persistent low summer sea ice levels since then (Crockford 2017), is vindication for Mitch Taylor.

Not exact matches

We already have a number of dead zones and fish dependent animals dying off at an alarming rate (whales, sharks, polar bears to name a few).

Rated to the maximum strength allowed by the EPA (2.0 % major capsaicinoids), Frontiersman field tested it against a number of types of bears including black, brown and polar bears.

Nine thousand years ago, they survived frigid year - round temperatures in animal - skin tents some 500 kilometers north of what is now the Russian mainland, and they were the only people ever known to hunt large numbers of polar bears without firearms.

Across all 19 polar bear populations, the researchers found that the total number of ice - covered days declined at the rate of seven to 19 days per decade between 1979 and 2014.

Wallach and colleagues gathered research on the life cycles of more than a hundred species of mammalian carnivores — from polar bears and panthers to skunks and stoats — and documented examples of large predators that apparently regulate their own numbers.

It had been a different story at RAS's zoological museum a few days earlier, where she wasn't allowed to sample the bones she had come for because they were already covered with drill marks from other researchers who, like her, hoped to mine the relatively small number of ancient polar bear samples to reveal their evolutionary history.

Currently, the status of polar bear subpopulations is variable; in some areas of the Arctic, polar bear numbers are likely declining, but in others, they appear to be stable or possibly growing.

The researchers found that between 1985 and 1994, 62 % of polar bear dens were built on sea ice — but that number dropped to 37 % between 1998 and 2004.

Relative to the 12 receptors identified in cat, dog (15 receptors), ferret (14), giant panda (16), and polar bear (13) all had a similar number of bitter receptors.

As climate change causes sea ice to shrink, the number of «problem» polar bears appears to be increasing.

Stirling's team found that around the town of Churchill on the shores of Hudson Bay — the «polar bear capital of the world» — the number of bears reported as attacking humans, homes and hunting camps more than tripled between 1970...

And the number of polar bears in the southern edge of their range, the Hudson Bay, have drastically decreased as sea ice is present for shorter and shorter amounts of time, he notes.

While polar bear numbers are increasing in two of these populations, two others are definitely in decline.

Nine thousand years ago, they survived frigid year - round temperatures in animal - skin tents some 500 kilometers north of what is now the Russian mainland, and they were the only people ever known to hunt large numbers of polar bears without firearms.

For all visitors, Svalbard is full of quirky surprises, another being that polar - bears out - number people, and although I didn't see one on my trip, I really didn't care.

Players can unlock a number of new discoveries, including cowboys, giraffes, vampires, polar bears, steamrollers, race cars, and huge digging machines.

I asked him about the critiques of forecasts of the polar bear's demise by analysts who point to the rise in bear numbers since hunting was restricted in Arctic countries.

In summary, polar bear numbers probably increased in some areas during the 1970s and 1980s, and perhaps even into the 1990s, because of greater protection from direct human mortalities.

I do know a number of registered republicans who are seriously ticked off at her legal action regarding polar bears, but I don't think that's what Palin meant in the interview.

One of the outcomes of polar bears being forced off the ice is the apparently increasing number of hybrid bears being found — part polar bear, part grizzly.

If we think of environmental issues that way instead of polar bears in the Artic and rainforests around the tropics, then there are a number of advantages to that.

Impacts of global warming in Churchill include an increase in the number of ice - free days and reduced nutrition in polar bears due to a shorter feeding season (Stirling et al., 1999).

«There have been no new reports of falling polar bear numbers, and images of fat, healthy polar bears abound,» paleozoologist Susan Crockford noted.

«If the number of polar bears has increased, surely they're not in danger.»

An increasing number of polar bears are encroaching on local communities and lengthening their stays because of melting sea ice.

«A number of recent climate change reports even failed to mention polar bears in their discussion of Arctic sea ice decline... Crockford, «Even Al Gore seems to have forgotten to include the plight of polar bears in his newest climate change movie.

Tagged 16th meeting, 16th Working Meeting, baffin bay, Chukchi Sea, Davis Strait, IUCN, number of polar bears, PBSG, Peacock, Polar Bear Specialist Group, Southern Beaufort, Stapleton, western hudson bay

Under the new plan, native people living in Alaska will now adjust the number of polar bears they hunt depending on the rise and fall of the animal's population.

PBGS members voted to reject four subpopulation estimates used in the 2015 Red List polar bear status review — even though the inclusion of those numbers was required in order for the Red List status of «vulnerable» to be upheld.

Furthermore, while this was going the press was also reporting how increasing number of polar bears were becoming a real hazard in Nunavat due to to «Nanuk's» propensity for hunting and eating people.

At this time of year, sea ice extent numbers are meaningless for polar bears.

If Amstrup had been right about the relationship of summer sea ice and polar bear numbers, there would have been no polar bears in Churchill for the BBC to film this year.

No, 350 is the number of polar bears who drowned when global warming caused the ice to melt beneath them during the time it took to ring them bells 350 times.»

In contrast during the most recent decade with more open water, the number of ringed seal pups in the western Hudson Bay tripled relative to the 1990s.4 With more seal pups the polar bears» body condition also improved.

As part of past status reports, the PBSG has traditionally estimated a range for the total number of polar bears in the circumpolar Arctic.

The recent listing of polar bears as «endangered» was based on junk science and GIGO computer models that claim manmade global warming will send the bears» record population numbers into oblivion.

The number and distribution of polar bears in the western Barents Sea.

Only small numbers of polar bears have been documented consuming terrestrial foods even in modest quantities.

I had not realised that polar bear numbers was another field where so many of the numbers came from computer models.

If you google «Populations and sources of recruitment in polar bears» you will find the original AP article at a number of news outlets.

The number of polar bears in the world is four to five times greater than it was 50 years ago, increasing from around 5,000 to an estimated 25,000.

«Of the 13 populations of polar bears in Canada, 11 are stable or increasing in numbeOf the 13 populations of polar bears in Canada, 11 are stable or increasing in numbeof polar bears in Canada, 11 are stable or increasing in number.

Andrew Montford: OK, well I've actually looked at that... JS: IF you look at their previous study it shows that the rate of decline in terms of the number of polar bear species has increased.

For instance, the graph could be true, yet the total number of polar bears have increased in just the one region under study.

Subsistence hunting accounts for a low number of polar bear casualties.

The image of melting glaciers in the Himalayas has been called one of the two principal «icons» of global warming alarmism, along with polar bears, who have been declared a «threatened» species despite the fact that their numbers are growing.

Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45

In scanning comments generated by the recent flurry of internet interest in polar bears and blogs I noticed that a good many people, fed alarming media stories, are still convinced that polar bear numbers are declining rapidly when nothing could be further from the truth.

The first of the series was about polar bears, which they referred to as the canaries in the global - warming coalmine, ignoring the fact that polar bear numbers are actually the highest since records began.